When scientists cracked open the first grains from asteroid Bennu, they expected a time capsule of rock and dust. What they ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

NASA's OSIRIS-REx mission is scheduled to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...

REx reveals asteroid Bennu contains life's building blocks, shedding light on Earth's origins and the potential for extraterrestrial life.

New experiments suggest RNA, life’s essential molecule, could have formed naturally on early Earth and even arrived from ...

The year’s most notable findings also include insights into dog and sheep domestication and a new species of manta ray in the ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

Recent studies of asteroid Bennu reveal it contains life's essential ingredients, hinting at a cosmic origin for Earth's life.

After an extended stay at the asteroid Bennu, OSIRIS-REx is headed home. The asteroid-sampling spacecraft with Tucson roots began its 2½-year journey back to Earth early Monday afternoon with a ...

A paternity test is pending, but Bennu and Ryugu could turn out to be long-lost twins, separated at birth by a cosmic cataclysm. New research by a University of Arizona-led team suggests the two ...